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2 years ago

Does the following equation represent growth or decay?

Mathematics

1 answer:

Neporo4naja [7]2 years ago

7 0

Answer:

Growth

Step-by-step explanation:

The number that is multiplying (1.01) is more than 0 so growth

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What is the ratio for this ? <br> 2:25

svetoff [14.1K]

Answer:2 to 25

Step-by-step explanation:

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3 years ago

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A regular pentagon is inscribed in ur let of radius 8cm. find the length of one side of the polygon

Sergio039 [100]

9514 1404 393

Answer:

9.404 cm

Step-by-step explanation:

A regular polygon with n sides inscribed in a circle of radius r will have a side length given by ...

s = 2r·sin(180°/n)

For r = 8 and n = 5, this gives a side length of ...

s = 2·8·sin(180°/5) = 16·sin(36°) ≈ 9.404 . . . cm

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3 years ago

Will give brainliest - somebody please help me

mina [271]

Answer:

1 to the left and 7 up

Step-by-step explanation:

The x coordinate goes from 3 to 2, so that is your 1 to the left.

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3 years ago

Find center,foci and vertices of ellipse for 4x2+y2+2x-10y=6

grandymaker [24]

Answer:

center:

(-0.25, 5)

foci :

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vertices :

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wolframramalpha

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1 year ago

Please answer ASAP

labwork [276]

Hello!

The figure is made up of a cone and a hemisphere. To the nearest whole number, what is the approximate volume of this figure? Use 3.14 to approximate π . Enter your answer in the box. cm³

A 12 cm cone with a dome on top of it that has an 8 cm diameter

Data: (Cone)

h (height) = 12 cm

r (radius) = 4 cm (The diameter is 8 being twice the radius)

Adopting: $\pi \approx 3.14$

V (volume) = ?

Solving: (Cone volume)

$V = \dfrac{ \pi *r^2*h}{3}$

$V = \dfrac{ 3.14 *4^2*\diagup\!\!\!\!\!12^4}{\diagup\!\!\!\!3}$

$V = 3.14*16*4$

$\boxed{V = 200.96\:cm^3}$

Note: Now, let's find the volume of a hemisphere.

Data: (hemisphere volume)

V (volume) = ?

r (radius) = 4 cm

Adopting: $\pi \approx 3.14$

If: We know that the volume of a sphere is $V = 4* \pi * \dfrac{r^3}{3}$ , but we have a hemisphere, so the formula will be half the volume of the hemisphere $V = \dfrac{1}{2}* 4* \pi * \dfrac{r^3}{3} \to \boxed{V = 2* \pi * \dfrac{r^3}{3}}$